What will be the output of the following java code?
class Hello {
public int data = 8;
public String show() {
return "Hello";
}
}
class Test extends Hello {
public int data = 9;
public String show() {
return "Test";
}
public static void main(String[] args) {
Hello h = new Test();
System.out.println(h.data + " " + h.show());
}
}
Which code, when inserted at line 1, will cause a Exception ?
class A {}
class A1 extends A {}
class A2 extends A {}
public class Test {
public static void main(String args[]) {
A a = new A();
A1 a1 = new A1();
A2 a2 = new A2();
// insert line 1 code here
}
}
Which line of code inserted for complete executions?
class Hello {
private String name;
public Hello(String name) {
this.name = name;
}
public String getName() {
return name;
}
}
public class Test extends Hello {
public void parent() {
}
public void child() {
}
}
What will be the output of the following java code?
class Hello {
public int number;
protected Hello(int number) {
this.number = number;
}
}
public class Test extends Hello {
private Test(int number) {
super(number);
}
public static void main(String[] args) {
Test t = new Test(500);
System.out.print(t.number);
}
}
What will be the output of the following java code?
class Hello {
private static int multiply(int a, int b) {
return a * b;
}
}
public class Test extends Hello {
public static int multiply(int a, int b) {
int m = super.multiply(a, b);
return m;
}
public static void main(String[] args) {
Test t = new Test();
System.out.println(t.multiply(5, 2));
System.out.println(Test.multiply(8, 3));
}
}
